Results 151 to 160 of about 73,922 (242)

Flat Optics for Polarization Structure Engineering from 2D to 3D

Advanced Optical Materials, EarlyView.
Metasurfaces have transformed polarization control by enabling precise engineering of complex polarization structures. This review explores their evolution from generating 2D polarization structures to shaping fully 3D polarization fields. By unlocking the unprecedented control over the polarization and spectral information of light, these advances ...
Buxiong Qi, Yan Li, Xianzhong Chen
wiley   +1 more source

Enhancing IoT security with a DNA-based lightweight cryptography system. [PDF]

Sci Rep
Aqeel S, Khan AS, Abbasi IA, Algarni F, Grzonka D.   +4 more
europepmc   +1 more source

First Tellurite Composite Fiber with NIR‐Driven Green Persistent Luminescence

Advanced Optical Materials, EarlyView.
The first composite fiber based on SrAl2O4:Eu2+, Dy3+ PeL phosphors embedded in Yb3+/Tm3+ co‐doped tellurite glass is developed. The fiber exhibits green afterglow driven by 980 nm laser injection, suggesting that the PeL phosphors survive the fabrication process and the blue upconversion from the Yb3+/Tm3+ co‐doped glass matrix is strong enough to ...
Evellyn Santos Magalhães, Khaldoon Nasser, Arjun Vakkada Ramachandran, Mikko Närhi, Minnea Tuomisto, Catherine Boussard‐Plédel, Johann Troles, Philippe F. Smet, Mika Lastusaari, Laeticia Petit   +9 more
wiley   +1 more source

A simple and efficient attack on the Merkle-Hellman knapsack cryptosystem. [PDF]

PLoS One
Bi J, Su L, Peng H, Wang L.
europepmc   +1 more source

Tailoring Chiral Gold Nanorods via Single‐Step Seed‐to‐Au(III) Ratio and Unlocking their Potential in Refractive Index Sensing

Advanced Optical Materials, EarlyView.
A single‐step tunable chiral growth of Au NRs with controllable circular dichrosim (CD) response is reported, and the application of narrow CD response for biosensing with superior Figures of Merit (FoM = RIS/linewidth) over conventional extinction‐based approach in sensitivity is demonstrated.
Carlos Fernández‐Lodeiro, Sergio Gómez‐Grana, María José Cordero‐Ferradás, Victor F. Martín, Wiebke Albrecht, Pablo Hervés, Lakshminarayana Polavarapu, José M. Taboada, Fernando Obelleiro, Sara Bals, Jorge Pérez‐Juste, Isabel Pastoriza‐Santos   +11 more
wiley   +1 more source

LWLCM: A novel lightweight stream cipher using logistic chaos function and multiplexer for IoT communications. [PDF]

PLoS One
Afzal S, Bokhari MU, Alam M, Husain MS, Khan MZ, Ashraf Z.   +5 more
europepmc   +1 more source

Floquet‐Engineered Noise‐Resilient Terahertz Receiver with Modular Phased Array Architecture for Scalable Chip‐Scale Communication

Advanced Photonics Research, EarlyView.
Overcoming the bandwidth, latency, and power constraints of wired interconnects in multicore processing units, this work introduces a terahertz wireless solution featuring a dual‐carrier modular phased‐array transmitter and a novel 2D semiconductor quantum‐well nanoreceiver.
Kosala Herath, Malin Premaratne, Sergi Abadal, Sharadhi Gunathilake, Eduard Alarcón, Ampalavanapillai Nirmalathas   +5 more
wiley   +1 more source

Certificateless aggregate signcryption scheme with multi-ciphertext equality test for the internet of vehicles. [PDF]

PLoS One
Yang X, Luo X, Liu R, Li S, Yao K.
europepmc   +1 more source

Strain‐Induced Optical and Molecular Transformations in Poly(Ethylene Terephthalate) Films for Organic Electronic Applications

Advanced Photonics Research, EarlyView.
This study explores how mechanical strain affects the optical and molecular properties of poly(ethylene terephthalate) (PET) films, crucial for flexible electronics. Using UV–Vis and Raman spectroscopy, it reveals strain‐induced changes in transparency and vibrational modes. Findings provide insights into optimizing PET‐based devices like organic solar
Mahya Ghorab, Ayush K. Ranga, Patrice Donfack, Arnulf Materny, Veit Wagner, Mojtaba Joodaki   +5 more
wiley   +1 more source

Design of an integrated model using deep reinforcement learning and Variational Autoencoders for enhanced quantum security. [PDF]

MethodsX
Shingne H, Chikmurge D, Parkhi P, Agrawal P.   +3 more
europepmc   +1 more source